Drill chuck



FIG. 1 is a top front perspective view of the drill chuck;

FIG. 2 is a left elevational view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a front elevational view thereof.

The broken lines depict portions of the design that are not claimed. The broken lines and structures they depict form no part of the claimed design. 

The ornamental design for the drill chuck, as shown and described. 